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Finding the Fourth Proportional to 69,632.22, 95,999.67 and 55,339.77

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Solution

The fourth proportional to 69,632.22, 95,999.67 and 55,339.77 is: 76,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,632.22 : 95,999.67 = 55,339.77 : x
  2. Step 2: Convert to fraction form
    69,632.22/95,999.67 = 55,339.77/x
  3. Step 3: Cross multiply
    69,632.22x = 95,999.67 × 55,339.77
  4. Step 4: Simplify right side
    69,632.22x = 5,312,599,657.88
  5. Step 5: Solve for x
    x = 5,312,599,657.88/69,632.22
  6. Step 6: Final answer
    x = 76,295.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.